PTH and osteoporosis: Consequently balancing serum 25-OH D levels and thus normalizing serum PTH levels may counteract pronounced defects in mineralization and can reduce the incidence of femoral neck fractures [14]. After a fragility fracture, osteoporosis is diagnosed and treated with specific osteoporosis drugs in compliance with the guidelines and, if possible, does not impair the concept of fracture recovery; it substantially decreases the likelihood of future fractures.